People with heart failure may have low magnesium and low vitamin D levels. They may also have abnormally high levels of parathyroid hormones. Magnesium and vitamin D are important chemicals that are not routinely measured in blood tests. We are studying how many people with heart failure have low levels of magnesium and vitamin D. We are also studying how many people with heart failure have overactive parathyroid glands and if that is related to their vitamin D levels.

Further study details as provided by State University of New York - Downstate Medical Center:

Primary Outcome Measures:

Prevalence of hypovitaminosis D, Hyperparathyroidism, Hypomagnesemia in our cohort of CHF patients [ Time Frame: One year ] [ Designated as safety issue: No ]

Estimated Enrollment:

40

Study Start Date:

October 2007

Eligibility

Ages Eligible for Study:

18 Years and older

Genders Eligible for Study:

Both

Accepts Healthy Volunteers:

No

Sampling Method:

Probability Sample

Study Population

People with congestive heart failure

Criteria

Inclusion Criteria:

congestive heart failure

Exclusion Criteria:

pregnant

hospitalized within one month

taking calcium, vitamin D or magnesium supplements

proteinuria > 1g/24h

creatinine clearance <35 (MDRD)

Contacts and Locations

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study.
To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below.
For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT00887666